Why are receptors for steroid hormones located inside the cell rather than on the membrane surface?

Answer:

Its not Hydrosphere

Explanation:

I took the test and got it wrong :(

Prostatic Urtehra is the answer to this question.

Fats provides the most energy than the carbohydrate and protein.

Fat provides 9 calories per gram.

Carbohydrate and protein both provides 4 calories per gram of it.

Hence, fats provides the most energy of all the macronutrients.

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Final answer:

In a eukaryotic cell, the nucleus, ribosomes, rough endoplasmic reticulum, and Golgi apparatus work together in sequence to synthesize, fold, modify, and transport proteins to their required locations.

Explanation:

The eukaryotic cell utilizes various organelles to produce, organize, and deliver proteins. Four main organelles are involved in this process:

Nucleus - Contains genetic material (DNA) and operates as the control center for the cell, dictating which proteins need to be synthesized by transcribing DNA into messenger RNA (mRNA).

Ribosomes - Where protein synthesis begins as they translate the mRNA into a polypeptide chain, which will become a functional protein.

Rough Endoplasmic Reticulum (RER) - As mRNA is translated by ribosomes on the RER's surface, the emerging protein is folded and undergoes initial modifications.

Golgi Apparatus - Receives proteins from the RER, processes them further through modifications, and then sorts and packages them into vesicles for transport to their final destinations.

These organelles coordinate in a specific sequence to ensure proteins are efficiently made and distributed where they are needed.

The structures that monitor CO2 and O2 concentration in the blood at the site of vessel bifurcation are called chemoreceptors.

Carotid Bodies:

These are small clusters of chemoreceptors located near the bifurcation of the common carotid artery, typically on both sides of the neck.

They are sensitive to changes in the levels of oxygen, carbon dioxide, and pH in the blood.

Aortic Bodies:

The aortic bodies are another set of chemoreceptors situated near the aortic arch, which is a major bifurcation point for blood vessels.

They are responsive to similar changes in blood chemistry, detecting alterations in oxygen, carbon dioxide, and pH levels.

The chemoreceptors present in these areas continuously monitor the blood passing through these vessels. They are particularly sensitive to changes in arterial blood gases, including oxygen and carbon dioxide levels.

When there is a deviation from normal levels, these chemoreceptors send signals to the brain, primarily the medulla oblongata, to regulate breathing and maintain appropriate gas exchange in the lungs.

This regulatory mechanism helps to ensure that the body receives sufficient oxygen and removes excess carbon dioxide, crucial for maintaining acid-base balance and supporting overall physiological functions.

The chemoreceptors' ability to promptly respond to changes in blood chemistry contributes to the body's ability to adapt to various physiological conditions, such as exercise, altitude changes, or respiratory distress.

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The structures that monitor the concentration of carbon dioxide and oxygen in the blood are chemoreceptors. These are mostly found in the aortic and carotid bodies and communicate changes in the levels of oxygen, carbon dioxide, and hydrogen ions (pH) to the cardiovascular and respiratory centers in the brain.

The structures that monitor carbon dioxide (CO2) and oxygen (O2) concentration in the blood at the site where the highlighted blood vessel bifurcates are called chemoreceptors. These can primarily be found in the aortic and carotid bodies, which are closely situated to the baroreceptors in the aortic and carotid sinuses. These chemoreceptors contribute to vascular homeostasis by monitoring levels of oxygen, carbon dioxide, and hydrogen ions (pH). They communicate changes in these levels to the cardiovascular center and the respiratory centers located in the medulla oblongata of the brain. As per the Bohr effect, an increase in CO2 concentration or a decrease in pH or O2 concentration in the blood would stimulate these chemoreceptors to induce corrective measures, primarily through altering the respiration rate.

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The right answer is has commercial uses

Five major groups of economically important ferries were found:

*Microbial cell or biomass as a product,

*Microbial Enzymes:

*Microbial metabolites:

*Combined products:

*Vital Transitions:

One of the requirements of the fermentation process is to provide a growth medium, since any microbe requires water supply, oxygen, an energy source, a source of carbon, a source of nitrogen, and micronutrients for growth.

question 19 = all the molecules are different lengths ( last answer)

question 20 = crossing over

There are several risk factors associated with the development of ovarian cancer including genetic predisposition, reproductive history, age, endometriosis, and hormone therapy. Understanding and mitigating these risks can help reduce the likelihood of developing ovarian cancer.

Identifying risk factors for ovarian cancer is central to understanding how to reduce the chances of developing this disease. Here are five significant risk factors:

Final answer:

The changes in the density of the white matter in the corpus callosum during late childhood may underlie advances in cognitive skills.

Explanation:

The changes in the density of the white matter in the corpus callosum during late childhood may underlie advances in cognitive skills. The corpus callosum is a structure that connects the two hemispheres of the brain and is responsible for communication between them. As the density of white matter increases in the corpus callosum, there is improved connectivity between brain regions, allowing for more efficient neural communication and information processing.

A cell that has completed meiosis is called a haploid cell. This process begins with a diploid cell called a primary spermatocyte or oocyte that undergoes two rounds of cell division, producing four haploid cells known as spermatids in males and secondary oocytes in females.

A cell that has successfully completed meiosis, a type of cell division that reduces the chromosome number by half, is called a haploid cell. This process starts with a cell called a primary spermatocyte or oocyte, which is diploid, meaning it contains two sets of chromosomes. By the end of meiosis, this cell has undergone two rounds of cell division to produce four haploid cells, which each carry one set of chromosomes. These haploid cells are known as spermatids in males and secondary oocytes in females.

For example, an animal cell with a diploid number of four (2n = 4) proceeds through the stages of meiosis to form four haploid daughter cells. This is important in sexual reproduction, as the combination of haploid cells from two parents during fertilization results in offspring with a unique combination of genes.

If the cell continues through meiosis II after being fertilized, it forms all 46 chromosomes of a human being, half coming from the sperm. This indicates that humans are known as diploid organisms as our body cells (also known as somatic cells) contain two sets of chromosomes.

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Neuroplasticity refers to the brain's ability to modify its structure in response to experiences and environmental interactions. Neural pathways develop and adapt, influencing behavior and cognitive development. This lifelong adaptation involves aspects of epigenetics, which are changes in gene expression due to environmental factors.

The modifiability of the brain's structure in response to environmental experiences is referred to as neuroplasticity. Barraged by experiences and environments, the brain undergoes a process of forming new synapses, cutting off unused ones, and making changes at cellular levels. The interactions between different neural pathways, changes can result in modifications to behaviors, understanding of the world, and cognitive development. The phenomenon of changes in gene expression due to environmental factors, or epigenetics, is another important point to highlight. These changes aren't just limited to early development, but continue throughout life as part of the brain's response to the environment.

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Answer:

The correct answer would be A.) Environments are always changing.

Natural selection is one of the natural phenomenons which causes the evolution of the organisms.

By this phenomenon, the organisms which are better suited to the changing environment tend to survive and reproduce at a better rate as compared to the organisms which are less adaptive to the environment.

Natural selection mainly depends on the environment (such as temperature, pressure, color et cetera) and thus, it continues to work as the environment keeps on changing.

For example, the temperature and levels of oceans are increasing due to global warming, so, the marine organisms which are better adapted to the changing temperature, pressure, and salinity would survive and reproduce more.

Answer:

Plasma tail

Explanation:

A comet is a body in space which revolves around Sun in elliptical orbit. It is composed of rocks, dust, ice and frozen gases. A comet has mainly three parts:

Nucleus- It is the core of the comet which is solid.

As the comet nears the sun, the frozen gases start sublimating. An atmosphere surrounds the nucleus which is known as coma.

As the comet approaches the sun closely, the coma extends backwards due to solar wind. The solar wind pushes the ionized gases of the comet away from the nucleus. This is known as tail. There are two tails - dust tail and  plasma tail. Plasma tail is composed of ionized gases -heavier than the dust tail and thus lies below it.

Their gametes do not require water for fertilization to occur. hope this helps

Centrioles help create spindle fibers for cell division. So, the answer must be Centrioles.

The correct answer is (d) 1.3

Specific gravity can be defined as the ratio of the substance density which has to be compared to the density of a standard usually it is water. If the specific density of water is 1 and the specific density of sulfuric acid is 1.835 which means that sulfuric acid is 1.835 times heavier than water. The electrolyte of a storage battery is a mixture of sulfuric acid and water.The specific gravity of sulfuric storage battery changes with amount of electrical charge.

Hence, by mixing both water and sulfuric acid the specific gravity of automotive battery is kept 1.3 at 80°F.

Asp because of ASPARTIC ACID.